<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="./lib/jquery.js"></script>
</head>

<body>

<form action="/login" id="f1">
    <input type="text" name="user_name"/>
    <input type="password" name="password"/>
    <button type="submit">提交</button>
</form>

<script>
    $(function () {
        // 第一种方式
        /* $('#f1').submit(function (e) {
          e.preventDefault()
          var data = $(this).serialize()
          console.log(data)
        }) */

        // 第二种方式
        $('#f1').on('submit', function (e) {
            e.preventDefault()
            var data = $('#f1').serialize()
            console.log(data)
        })
    })
</script>

</body>

</html>
